1 files changed, 58 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/os/os_stream.c b/src/gallium/auxiliary/os/os_stream.c
new file mode 100644
index 0000000000..3c55fc00d9
--- /dev/null
+++ b/src/gallium/auxiliary/os/os_stream.c
@@ -0,0 +1,58 @@
+/**************************************************************************
+ *
+ * Copyright 2010 Luca Barbieri
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial
+ * portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
+ * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+#include "pipe/p_config.h"
+
+#include "os_stream.h"
+#include "util/u_memory.h"
+#include "util/u_string.h"
+
+int
+os_default_stream_vprintf (struct os_stream* stream, const char *format, va_list ap)
+{
+   char buf[1024];
+   int retval;
+   va_list ap2;
+   va_copy(ap2, ap);
+   retval = util_vsnprintf(buf, sizeof(buf), format, ap2);
+   va_end(ap2);
+   if(retval <= 0)
+   {}
+   else if(retval < sizeof(buf))
+      stream->write(stream, buf, retval);
+   else
+   {
+      char* str = MALLOC(retval + 1);
+      if(!str)
+         return -1;
+      retval = util_vsnprintf(str, retval + 1, format, ap);
+      if(retval > 0)
+         stream->write(stream, str, retval);
+      FREE(str);
+   }
+
+   return retval;
+}